restore esential github workflows

.github/workflows/backup-zfs.yml

@@ -0,0 +1,46 @@
+name: ZFS Backup
+on:
+  schedule:
+    - cron: 0 1 * * *
+  workflow_dispatch:
+jobs:
+  update-infrastructure:
+    runs-on: [self-hosted, home-server]
+    steps:
+      - name: run syncoid
+        run: |
+          zpool status
+          echo ""
+          zfs list
+          echo ""
+          syncoid \
+            --recursive \
+            --no-privilege-elevation \
+              data-ssd/data \
+              backup/data
+
+          syncoid \
+            --recursive \
+            --no-privilege-elevation \
+              data-ssd/media \
+              backup/media
+    # steps:
+    #   - name: run syncoid
+    #     run: |
+    #       zpool status
+    #       echo ""
+    #       zfs list
+    #       echo ""
+    #       syncoid \
+    #         --recursive \
+    #         --no-privilege-elevation \
+    #         --no-rollback \
+    #           data-ssd/data \
+    #           backup/data
+
+    #       syncoid \
+    #         --recursive \
+    #         --no-privilege-elevation \
+    #         --no-rollback \
+    #           data-ssd/media \
+    #           backup/media